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US Patent: 1,668,633
Plowshare and Cultivator Shovel Straightener
Patentee: James I. Depew (exact or similar names) - Loup City, Sherman County, NE USPTO Classifications: 72/477 Tool Categories: agricultural : shovels Assignees: None Manufacturer: J. I. Depew Disc Sharpener Co. - Loup City, Sherman County, NE Witnesses: Unknown	Patent Dates: Applied: Mar. 28, 1927 Granted: May 08, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for J. I. Depew Disc Sharpener Co.

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